500g OSPA PH & TA UP Alkalinity Increaser



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  • Instantly soluble.
  • Contains no calcium.
  • No pre-dissolving necessary.
  • Won’t cloud your water.
Active Constituent: Sodium Bicarbonate
Size: 500g

Itchy, red skin and harmful illnesses don’t make for a relaxing or enjoyable spa pool experience. With OSPA Alkalinity Increaser, you’ll never have to worry about the consequences of low pH spa water. This spa pH increaser works to safely increase your water alkalinity, preventing unsanitary water and annoying skin conditions.  

How our ordering process works.

Once you have added the products to your cart, initiated checkout and completed the order, it is sent to our sales team. We will place the order with our stockists and you will be contacted when your order is ready to be picked up locally, or delivered to your door.

When do I pay for the products?

Payment is made to our stockists. If you choose to pick up your order from the stockist, payment will be required upon receiving the order. For deliveries, you will enter your card details through a secure form and the order will be sent to your door.